1Pc NR60 Noise Reduction Audio Processing Module 80DB Environment Suppression Intensity Human Voice Recognition Noise Reduction

1PCs  X NR60 Noise reduction audio processing module 80DB environment suppression intensity human voice recognition noise reduction 1PCS * NR60       NR60 module is an audio processing module developed by NiceRF, integrating noise reduction and echo cancellation. Features Product is designed for near-field noise reduction, best with the voice within 10cm of the microphone Surrounding environmental noise suppression strength is less than 80dB It suppresses electronic noise, wind noise, wave sounds, car horns, and sudden interference   Applications Online video conference call Online video streaming Online education Social entertainment Various scenarios requiring background noise filtration         Specifications Product show Schematic Pin Configuration Mechanism Dimension Our company is engaged in researching, developing, producing and selling IOT(internet of things) products. We devoted ourselves on providing good RF modules, walkie talkie modules and integrated digital sensor modules. Meanwhile, ODM and OEM projects are welcomed. With more than 10 years experience of product design in RF and sensors, we have earned a good reputation among our customers.  Shipping 1.  Items will be shipped within 3~5 days after we receive the full payment. 2.  We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected. 3.  If you do not receive item within 60 working days (10 weeks), please contact us to investigate the case. 4.  Please note that buyers are responsible for all additional customs fees, brokerage fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments. We can provide EMS, DHL, Fedex, TNT China Register Post Air Mail and etc. * All free shipping on our store are mostly China Registered Post Air Mail. * If you need fast shipping like DHL or other, you will need extra payment, pls contact sales to evaluate the price. With three protections * Poly bag to cover * Bubble bag to protect * Finally, yellow carton for deliver   Return Policy   1.  We appreciate your order and and we do our best to serve you. 2.  We offer an instant 7 days return policy (7 days after we receive the items). 3.  The returned item has to be in its original condition. 4.  We are able to refund your money without shipping cost. 1.  Your satisfaction and positive feedback are appreciated. Please leave positive feedback and 5 stars if you are satisfied with our items and services. 2.  If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services. 3.  For any question, pls feel free to contact us by  emai l or via  TradeManager.   Delivery time   1.Sample order:1-3 days 2.Normal order:3-7 days 3.OEM Order:7-15 days 4.ODM Project: development time is around 1 months after all details confirmed.   Warrenty   1.100% test low than 0.05% defective rate 2.Free technical support   MOQ   1.Sample Order: 2pcs/a pair 2.OEM Order: More Than 1000pcs   Aftersale Service   1.Give replacements if there is quality issue of the part in future order 2.Evaluate the customs risk and choose safest shipping company during different period 3.Fllow status from time to time till the goods arrive client's hand 4.NiceRF warranty does not apply to products purchased through third-party verdors       a) Why module can not communicate properly?   1) Check if the band, channel, rate, NET ID has set to the same; 2) Check if there is power connection error; 3) Check if the module is enabled (CS high); 4) Check if the antenna connection is not correct; 5) Check if the module is damaged.   b) Why transmission distance is not far as it should be?   1) Power supply ripple is too large; 2) The antenna types do not match, or not properly installed; 3) The surrounding environment is harsh, strong interference sources; 4) Surrounding co-channel interference;   c) Why receiving data incorrect?   1) Improper parameter settings; 2) Module data interface is bad.    d) Why should I use antennas? The antenna is important in the communication. For this module, the match impedance is 50 Ohm. We have many kinds of antenna for customer to choose, please contact the corresponding sales engineer for help, or find the antenna in our website. e) What kind of USB bridge board should I use? The USB Bridge is useful for customers to configure the parameters and simply to do communication test with PC.